ABSTRACT, AN, ANTIQUE, AS, BACKGROUND, BACKGROUNDS, BAR, BARRIER, BORDER, BOUNDARY, BUILDING, BUT, CHASSIS, CONCRETE, CONSTRUCTION, DEFOCUSED, DESIGN, DULL, DURABILITY, ELEMENT, EQUIPMENT, FEATURE, FENCE, FRAME, GRAINY, GRID, GRUNGE, GUARDING, HEAVY, INDUSTRIAL, INDUSTRY, IRON, IS, LOOKING, MATERIAL, MESH, METAL, NET, OBSOLETE, OLD, PATTERN, PROTECTION, REPETITION, RETRO, ROUGH, RUSTIC, RUSTY, SECURITY, STEEL, STRENGTH, STURDY, STYLE, SURROUNDING, TEXTURED, THE, TRELLIS, USED, WALL, WEATHERED, WIRE,